一、化肥养鱼虽然含量高,但成份单一,属不完全肥料,必须混施磷钾肥。以尿素为例:混施比例为2:2:1,即1公斤尿素,配1公斤磷肥,0.5公斤钾肥,混合施用,淤泥较多的池塘,可不施钾肥。 二、根据实践,施用化肥前,最好先施有机肥料作基肥,继而两者配合使用,促使浮游生物持续增殖,这样才能使池中肥效持久稳定。 三、施用方法要讲究。除氨水外,其它都应各自先溶于水,然后混合均匀全池泼洒。一般每周施肥一次,亩施 First, although the high content of fertilizer fish, but the composition of a single, is not completely fertilizer, must be mixed with phosphorus and potassium fertilizer. Take urea as an example: Mixing ratio is 2: 2: 1, that is, 1 kg of urea, with 1 kg of phosphate fertilizer, 0.5 kg of potash fertilizer, mixed application, ponds with more sludge, can not apply potassium fertilizer. Second, according to practice, before the application of fertilizers, it is best to apply organic fertilizer as basal fertilizer, and then the two used in conjunction to promote the continued proliferation of plankton, so as to make the pool fertilizer lasting and stable. Third, the application method to pay attention. In addition to ammonia, the other should be dissolved in water, then mix evenly Quanchiposa. General fertilization once a week, Mushi